<template>
   <van-popup
     :value="$store.state.channel.isShowPopup"
     @click-close-icon="$store.commit('channel/hidePopup')"
     closeable
     position="left"
     @closed="isEdit = false"
   >
     <div class="article-channel">
      <div class="head">
        <h3>我的频道<small>点击进入频道</small></h3>
        <a
         @click="isEdit = !isEdit"
         :class="{ active: isEdit }"
         class="edit"
         href="javascript:;"
         >{{ isEdit ? '完成' : '编辑' }}</a>
      </div>
      <div class="body">
        <a
          href="javascript:;"
          v-for="item in $store.state.channel.myChannels"
          :key="item.id"
          :class="{ active: $store.state.channel.activeChannelId === item.id }"
          @click="changeChannels(item.id)"
          >
          {{ item.name }}
          <i
          @click="delMyChannel(item.id)"
          class="iconfont icon-tag-close"
          v-show="isEdit && item.id !== 0 && item.id !== $store.state.channel.activeChannelId"
          ></i>
        </a>
      </div>
      <div class="head" style="margin-top:12px">
        <h3>频道推荐</h3>
      </div>
      <div class="body">
        <a
         href="javascript:;"
         :class="{ active: $store.state.channel.activeChannelId === item.id }"
         v-for="item in $store.getters['channel/optionalChannels']"
         :key="item.id"
         @click="addMyChannels(item)">{{ item.name }}</a>
      </div>
    </div>
   </van-popup>
 </template>

<script>
export default {
  name: 'ArticleChannelPopup',
  data () {
    return {
      // 判定是否编辑
      isEdit: false
    }
  },
  async created () {
    const [err] = await this.$store.dispatch('channel/loadAllChannels')
    if (err) return this.$toast.fail('获取所有频道失败')
  },
  methods: {
    async delMyChannel (id) {
      const [err] = await this.$store.dispatch('channel/delMyChannel', id)
      if (err) this.$toast.fail('删除失败')
    },
    async addMyChannels (item) {
      const [err] = await this.$store.dispatch('channel/addMyChannel', item)
      if (err) this.$toast.fail('添加失败')
    },
    changeChannels (id) {
      this.$store.commit('channel/setActiveChannelId', id)
      this.$store.commit('channel/hidePopup')
    }
  }
}
</script>

 <style scoped lang="less">
 .van-popup {
   width: 100%;
   height: 100%;
   ::v-deep .van-popup__close-icon {
     font-size: 20px;
     right: 12px;
     top: 12px;
   }
 }
 .article-channel {
  margin-top: 44px;
  .head {
    padding: 0 16px;
    display: flex;
    justify-content: space-between;
    justify-items: center;
    padding-bottom: 12px;
    h3 {
      font-size: 16px;
      color: #333;
      margin: 0;
      small {
        font-size: 12px;
        color: #999;
        margin-left: 10px;
      }
    }
    .edit {
      float: right;
      height: 22px;
      width: 52px;
      line-height: 22px;
      text-align: center;
      color: #DE644B;
      border-radius: 11px;
      border: 1px solid #DE644B;
      font-size: 12px;
      &.active {
        color: #fff;
        background: #DE644B;
      }
    }
  }
  .body {
    padding: 0 6px 0 16px;
    a {
      position: relative;
      display: inline-block;
      padding: 0 8px;
      font-size:14px;
      color: #3A3948;
      background: #F7F8FA;
      height: 36px;
      line-height: 36px;
      min-width: 78px;
      margin-right: 10px;
      margin-bottom: 12px;
      border-radius: 18px;
      text-align: center;
      &.active {
        color: @geek-color;
      }
    }
  }
}
 </style>
